package com.xlf.service.base.mapper;

import com.xlf.pojo.base.Difficulty;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.xlf.service.base.pojo.vo.ProblemVO;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
* @author 小新
* @description 针对表【difficulty】的数据库操作Mapper
* @createDate 2023-10-03 10:12:07
* @Entity com.xlf.service.base.pojo.domain.Difficulty
*/
public interface DifficultyMapper extends BaseMapper<Difficulty> {

    @Select("select name from difficulty where  id = #{id}")
    public String getNameById(Long id);
}




